Recruiting OBSERVATIONAL NCT04288674

Leptospirosis Registry - LeptoScope (Leptoscope)

Sponsor: University of Cologne

Interventions Retrospective data collection of demographics Retrospective data collection of duration of hospitalization Retrospective data collection of underlying diseases

Updated 10 times since 2020 Last updated: Dec 9, 2025 Started: Mar 4, 2020 Primary completion: Feb 28, 2030 Completion: Dec 31, 2030

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Leptospirosis and is currently actively recruiting participants. University of Cologne leads this study, which shows 10 recorded versions since 2020 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

Jan 2026 — Present [monthly]

Recruiting
Sep 2024 — Jan 2026 [monthly]

Recruiting
Jul 2024 — Sep 2024 [monthly]

Recruiting
Jun 2024 — Jul 2024 [monthly]

Recruiting
Jun 2022 — Jun 2024 [monthly]

Recruiting

▶ Show 5 earlier versions

May 2021 — Jun 2022 [monthly]

Recruiting
Jan 2021 — May 2021 [monthly]

Recruiting
May 2020 — Jan 2021 [monthly]

Recruiting

Status: Not Yet Recruiting → Recruiting
Apr 2020 — May 2020 [monthly]

Not Yet Recruiting
Mar 2020 — Apr 2020 [monthly]

Not Yet Recruiting

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Cologne

Data source: University of Cologne

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Cologne, Germany